A composite plain wall is to be constructed of (1/4)-in. stainless steel (k=17.03 W/m-K), 3-in. of corkboard (k=0.04 W/m-K) and (1/2)-in. of plastic (k=2.6 W/m-K). (a) Draw a thermal circuit for the steady-state heat conduction through this wall; (b) Evaluate the individual thermal resistances of each material layer; (c) Determine the heat flux if the inside steel surface is maintained at 400 K and the outer surface of plastic surface is held at 300 K; and (d) What are the temperatures on each surface of the corkboard under these conditions?
A composite plain wall is to be constructed of (1/4)-in. stainless steel (k=17.03 W/m-K), 3-in. of corkboard (k=0.04 W/m-K) and (1/2)-in. of plastic (k=2.6 W/m-K). (a) Draw a thermal circuit for the steady-state heat conduction through this wall; (b) Evaluate the individual thermal resistances of each material layer; (c) Determine the heat flux if the inside steel surface is maintained at 400 K and the outer surface of plastic surface is held at 300 K; and (d) What are the temperatures on each surface of the corkboard under these conditions?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:3. A composite plain wall is to be constructed of (1/4)-in. stainless
steel (k-17.03 W/m-K), 3-in. of corkboard (k=0.04 W/m-K) and
(1/2)-in. of plastic (k=2.6 W/m-K). (a) Draw a thermal circuit for the
steady-state heat conduction through this wall; (b) Evaluate the
individual thermal resistances of each material layer; (c) Determine
the heat flux if the inside steel surface is maintained at 400 K and
the outer surface of plastic surface is held at 300 K; and (d) What
are the temperatures on each surface of the corkboard under these
conditions?
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